Abstract: The present invention relates to a modular redox flow battery comprising a positive electrolyte tank, a negative electrolyte tank, a positive electrolyte, a negative electrolyte, a plurality of stacks, pipes, a positive electrolyte pump and a negative electrolyte pump, a battery management system (=BMS), and sensors, wherein the stacks and the BMS 500 are mounted on a stack frame 800, the positive electrolyte tank and the negative electrolyte tank are mounted on a tank frame 900, and the stack frame 800 and the tank frame 900 are combined.

Abstract: A fluid filter, filtering medium composition, and associated process for removing contaminants from feed and exhaust fluids used in fuel cell electricity generation, laboratories, the semiconductor and other industries to improve performance and extend useful equipment lifetimes and to clean fluids of sulfur compound contaminants, as well as to remove noxious NOx contaminants from feed and exhaust gases.

Abstract: Provided is a redox flow battery stack comprising: an ion-exchange membrane (1000); two flow frames (2000A, 2000B) disposed on both sides of the ion-exchange membrane (1000), respectively; two bipolar plates (4000A, 4000B) disposed outside the flow frames (2000A, 2000B), respectively; and electrodes disposed in cavities inside outer frames of the flow frames (2000A, 2000B), respectively, in which at least two electrodes are disposed in the flow frames, respectively, and at least three furrows in which the electrolyte flows are formed between electrodes or between the electrode and the outer frame in the flow frame.

Abstract: Provided is a bipolar plate-electrode assembly used in a redox flow battery stack, in which a bipolar plate (140) is made of a thermoplastic resin, electrodes (170A, 170B) disposed on both sides of the bipolar plate are thermally compressed at a central portion of the bipolar plate so as to be permeated into the bipolar plate, the size of the bipolar plate is larger than that of the electrodes, and fiber mats (150A, 150B) are hot-pressed so as to be permeated in an periphery (141) the bipolar plate which is a larger area than the electrodes.

Abstract: Provided is a bipolar plate-electrode assembly used in a redox flow battery stack, in which a bipolar plate (140) is made of a thermoplastic resin, electrodes (170A, 170B) disposed on both sides of the bipolar plate are thermally compressed at a central portion of the bipolar plate so as to be permeated into the bipolar plate, the size of the bipolar plate is larger than that of the electrodes, and fiber mats (150A, 150B) are hot-pressed so as to be permeated in an periphery (141) the bipolar plate which is a larger area than the electrodes.

Abstract: Provided is a redox flow battery stack comprising: an ion-exchange membrane (1000); two flow frames (2000A, 2000B) disposed on both sides of the ion-exchange membrane (1000), respectively; two bipolar plates (4000A, 4000B) disposed outside the flow frames (2000A, 2000B), respectively; and electrodes disposed in cavities inside outer frames of the flow frames (2000A, 2000B), respectively, in which at least two electrodes are disposed in the flow frames, respectively, and at least three furrows in which the electrolyte flows are formed between electrodes or between the electrode and the outer frame in the flow frame.

Abstract: The present invention relates to a redox flow battery stack including: an ion exchange membrane 180; and flow frames 160A and 160B disposed at both sides of the ion exchange membrane 180, respectively, in which semicircular grooves are provided on the flow frames 160A and 160B, and the semicircular grooves 161A and 162A of the flow frame 160A are fitted with the semicircular grooves 161B and 162B of the corresponding flow frame 160B during assembly to form at least one of an inlet port and an outlet port.

Abstract: A data communication system including an electronic device including a serial port, a client device including at least an audio port and an interface device is provided. The electronic device is configured to obtain serial data and output the serial data via the serial port. The interface device is coupled between the electronic device and the client device and includes a serial port connected to the serial port of the electronic device, a signal conversion device and an audio port connected to the audio port of the client device, wherein the interface device receives first serial data from the electronic device via the serial port, converts the received first serial data to first audio signals via the signal conversion device, and outputs the first audio signals to the client device via the audio port, such that the client device obtains the serial data according to the first audio signals.

Abstract: A data communication system including an electronic device including a serial port, a client device including at least an audio port and an interface device is provided. The electronic device is configured to obtain serial data and output the serial data via the serial port. The interface device is coupled between the electronic device and the client device and includes a serial port connected to the serial port of the electronic device, a signal conversion device and an audio port connected to the audio port of the client device, wherein the interface device receives first serial data from the electronic device via the serial port, converts the received first serial data to first audio signals via the signal conversion device, and outputs the first audio signals to the client device via the audio port, such that the client device obtains the serial data according to the first audio signals.